private CElement allow( XSComponent component, String defaultBaseName ) {
BindInfo bindInfo = builder.getBindInfo(component);
BIClass decl=bindInfo.get(BIClass.class);
if(decl==null) return null;
decl.markAsAcknowledged();
// first consider binding to the class reference.
String ref = decl.getExistingClassRef();
if(ref!=null) {
if(!JJavaName.isFullyQualifiedClassName(ref)) {